Raspberry Pi Pico Microcontroller Development Board with Soldering

RP2040 microcontroller chip designed by Raspberry Pi in the UK
Dual-core ARM Cortex M0 + processor, flexible clock up to 133 MHz
264 KB SRAM and 2 MB built-in Flash memory
Castellated module allows soldering directly onto carrier boards
Support for USB 1.1 host and device
Energy-saving sleep and sleeping modes
Programming with drag & drop via USB
26 multipurpose GPIO pins
2 ? SPI, 2 ? I2C, 2 ? UART, 3 ? 12-bit ADC, 16 ? controllable PWM channels
Accurate clock and timer on the chip
Temperature sensor
Accelerated floating point libraries on the chip
8 ? Programmeerbare IO (PIO)